criticism before republicans for an official explanation for the attack on the u.s. consulate in libya. >>> a new study in the medical journey suggests that obesity is killing three times as many people around the world as malnutrition. in missouri one high school looked at the problem of overweight kids and is doing something about it. seth doan reports. >> hi, brandy, how are you? >> reporter: spend a minute in the nurse's office at truman high school in independence, missouri, and you'll immediately notice something troubling. what problems are you seeing? >> we see type 2 diabetes, high blood pressure, people with joint pains, arthritis, stress, anxiety, depression from being above a healthy weight. >> reporter: the school nurse told us that 40% of students at truman high were overweight or obese. two years ago she was part of a districtwide program to test students' body fat. >> it's very concerning to see that they're dealing with adult illnesses at such a young age, and you just worry about where they're going to be in the future. >> we have a major issue with kids because of wh